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#Question id: 36004


In dehydration of foods, which statements are true?

#XL - U Food Technology
  1. Water activity decreases, leading to extended shelf life
  2. Case hardening can occur at high drying temperatures
  3. Dehydration preserves food mainly by lowering pH
  4. Spray drying is suitable for milk powders and coffee

Answer:- Option(s): 1,2,4


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